#!/bin/bash

# Builds schedutils for CPU affinity assignments

# Copyright (C) 2003-2006 IBM
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.


VERSION=1.4.0
NAME=schedutils
PKGNAME=$NAME-$VERSION
TARNAME="$PKGNAME.tar.gz"
PROGNAME=taskset

# Is it already installed?
PROG=`which $PROGNAME`
if [ ! -z "$PROG" ]; then
	exit 0
fi

# Does this OS support taskset?
grep sched_setaffinity /usr/include/sched.h > /dev/null 2>&1
if [ $? -ne 0 ]; then
	# Can't find the sched_setaffinity syscall; abort.
	# Probably we want to remove the schedutils dir in case
	# this install was leftover from another distro.
	cd "$POUNDER_OPTDIR"
	rm -rf "$PKGNAME"
	exit 0
fi

# Retrieve tarball, if necessary
cd "$POUNDER_OPTDIR"
if [ ! -f "$TARNAME" ]; then
	if [ $USE_CACHE -eq 1 ]; then
		wget "${POUNDER_CACHE}${TARNAME}"
	fi
	if [ ! -f "$TARNAME" ]; then
		wget "http://tech9.net/rml/schedutils/packages/$VERSION/$TARNAME"
	fi
fi

# Unpack if necessary
if [ ! -d "PKGNAME" ]; then
	tar -xzf "$TARNAME"
fi

# Build
cd "$PKGNAME"
make $*
